Z79.624

Billable
ChapterZ00–Z99
Ranksubcategory
Official Description

Long term (current) use of inhibitors of nucleotide synthesis

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Includes
  • Long term (current) use of azathioprine
  • Long term (current) use of mycophenolate
  • Long term (current) use of purine synthesis (IMDH) inhibitors
General instructions are available for the parent sections:

Clinical Hierarchy

CH21Factors influencing health status and contact with health services (Z00-Z99)
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z79Long term (current) drug therapy
Z79.6Long term (current) use of immunomodulators and immunosuppressants
Z79.62Long term (current) use of immunosuppressant
Z79.624Long term (current) use of inhibitors of nucleotide synthesis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z79.624:

subcategoryZ79.6
Long term (current) use of immunomodulators and immunosuppressants
View context instructions
categoryZ79
Long term (current) drug therapy
View context instructions
blockZ77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Z79.624. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

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